The Depository Trust & Clearing Corporation (DTCC) announced that its National Securities Clearing Corporation (NSCC) subsidiary has successfully launched extended clearing operations on a near-continuous 24×5 schedule. Clearing services now run from Sunday at 8:00 p.m. Eastern Time through Friday at 8:00 p.m. ET, enabling immediate central counterparty guarantees for trades executed during overnight and extended sessions by alternative trading systems (ATS) and exchanges.
This operational shift directly addresses rising global demand for more flexible access to US equity markets.
Investors increasingly seek opportunities outside traditional daytime hours, often aligned with their local time zones.
By applying its risk-mitigation guarantee without delay to these transactions, NSCC reduces counterparty exposure during non-standard periods and supports smoother cross-border participation.
The new model builds on an earlier enhancement introduced in September 2024, when NSCC began accepting trades roughly two and a half hours earlier than before.
The full 24×5 capability marks the completion of a phased rollout designed to align clearing infrastructure with evolving trading patterns.
ATS platforms have already utilized the prior extension, while major exchanges are expected to lengthen their own trading hours later in 2026, alongside corresponding updates from securities information processors.
Preparation for the change involved more than a year of close coordination among DTCC, its clients, exchanges, ATS providers, and other industry partners.
This included detailed operational planning and comprehensive system testing.
A dedicated testing environment opened in January 2026, requiring all users of NSCC’s real-time messaging systems to validate necessary updates. Every participating firm completed testing successfully ahead of the production go-live.
Brian Steele, Managing Director and President of Clearing & Securities Services at DTCC, called the launch a significant milestone in the development of US equities markets.
He noted that operating clearing on a near-continuous basis improves global investor access while preserving the risk management and resiliency essential for market stability.
Steele also highlighted the collaborative preparation that now allows participants to operate with greater confidence in a more interconnected trading environment.
Industry participants across trading venues and clearing agents have broadly welcomed the update.
Many described it as a critical step toward reducing operational risks in overnight activity, enhancing liquidity, improving price discovery, and enabling more diverse market participation.
Several operators emphasized how the aligned infrastructure supports their platforms’ visions for expanded or continuous trading models and strengthens overall post-trade resilience.
The extension forms part of DTCC’s ongoing efforts to modernize post-trade systems, increase operational efficiency, and strengthen the safety and soundness of the financial markets.
By providing reliable clearing support across nearly the full workweek, NSCC helps facilitate sustained trading activity while maintaining the high standards of risk control that underpin investor confidence.
As US equities infrastructure continues adapting to global and time-flexible demand, this development positions clearing services as a foundational enabler for broader market evolution. It reflects the industry’s collective progress toward more accessible, efficient, and resilient trading environments.